undefined method 'each' for nil

PMC:280685 / 0-13 JSONTXT

Annnotations TAB TSV DIC JSON TextAE Lectin_function IAV-Glycan

Id Subject Object Predicate Lexical cue
T153 0-1 DT denotes A
T154 2-7 NN denotes model
T156 8-10 IN denotes of
R1 T153 T154 det A,model
R2 T156 T154 prep of,model